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* editcmd.c (edit_save_file): Use g_free() on the result of
[midnight-commander.git] / edit / editcmd.c
blob240f356da9c1beea1c730a029735ef9e15f1d333
1 /* editor high level editing commands.
2
3 Copyright (C) 1996, 1997 the Free Software Foundation
4
5 Authors: 1996, 1997 Paul Sheer
6
7 $Id$
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 02111-1307, USA.
23
24 */
25
26 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
27
28 #include <config.h>
29 #include <ctype.h>
30
31 #include "edit.h"
32 #include "editcmddef.h"
33
34 #ifdef HAVE_CHARSET
35 #include "src/charsets.h"
36 #endif
37
38 /* globals: */
39
40 /* search and replace: */
41 int replace_scanf = 0;
42 int replace_regexp = 0;
43 int replace_all = 0;
44 int replace_prompt = 1;
45 int replace_whole = 0;
46 int replace_case = 0;
47 int replace_backwards = 0;
48 int search_create_bookmark = 0;
49
50 /* queries on a save */
51 int edit_confirm_save = 1;
52
53 #define NUM_REPL_ARGS 64
54 #define MAX_REPL_LEN 1024
55
56 static inline int my_lower_case (int c)
57 {
58 return tolower(c & 0xFF);
59 }
60
61 char *strcasechr (const unsigned char *s, int c)
62 {
63 for (c = my_lower_case (c); my_lower_case ((int) *s) != c; ++s)
64 if (*s == '\0')
65 return 0;
66 return (char *) s;
67 }
68
69 #ifndef HAVE_MEMMOVE
70 /* for Christophe */
71 static void *memmove (void *dest, const void *src, size_t n)
72 {
73 char *t, *s;
74
75 if (dest <= src) {
76 t = (char *) dest;
77 s = (char *) src;
78 while (n--)
79 *t++ = *s++;
80 } else {
81 t = (char *) dest + n;
82 s = (char *) src + n;
83 while (n--)
84 *--t = *--s;
85 }
86 return dest;
87 }
88 #endif /* !HAVE_MEMMOVE */
89
90 /* #define itoa MY_itoa <---- this line is now in edit.h */
91 char *itoa (int i)
92 {
93 static char t[14];
94 char *s = t + 13;
95 int j = i;
96 *s-- = 0;
97 do {
98 *s-- = i % 10 + '0';
99 } while ((i = i / 10));
100 if (j < 0)
101 *s-- = '-';
102 return ++s;
103 }
104
105 /*
106 This joins strings end on end and allocates memory for the result.
107 The result is later automatically free'd and must not be free'd
108 by the caller.
109 */
110 char *catstrs (const char *first,...)
111 {
112 static char *stacked[16] =
113 {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
114 static int i = 0;
115 va_list ap;
116 int len;
117 char *data;
118
119 if (!first)
120 return 0;
121
122 len = strlen (first);
123 va_start (ap, first);
124
125 while ((data = va_arg (ap, char *)) != 0)
126 len += strlen (data);
127
128 len++;
129
130 i = (i + 1) % 16;
131 if (stacked[i])
132 free (stacked[i]);
133
134 stacked[i] = malloc (len);
135 va_end (ap);
136 va_start (ap, first);
137 strcpy (stacked[i], first);
138 while ((data = va_arg (ap, char *)) != 0)
139 strcat (stacked[i], data);
140 va_end (ap);
141
142 return stacked[i];
143 }
144
145 void edit_help_cmd (WEdit * edit)
146 {
147 interactive_display (NULL, "[Internal File Editor]");
148 edit->force |= REDRAW_COMPLETELY;
149 }
150
151 void edit_refresh_cmd (WEdit * edit)
152 {
153 #ifndef HAVE_SLANG
154 clr_scr();
155 do_refresh();
156 #else
157 {
158 int fg, bg;
159 edit_get_syntax_color (edit, -1, &fg, &bg);
160 }
161 touchwin(stdscr);
162 #endif /* !HAVE_SLANG */
163 mc_refresh();
164 doupdate();
165 }
166
167 /* "Oleg Yu. Repin" <repin@ssd.sscc.ru> added backup filenames
168 ...thanks -paul */
169
170 /* If 0 (quick save) then a) create/truncate <filename> file,
171 b) save to <filename>;
172 if 1 (safe save) then a) save to <tempnam>,
173 b) rename <tempnam> to <filename>;
174 if 2 (do backups) then a) save to <tempnam>,
175 b) rename <filename> to <filename.backup_ext>,
176 c) rename <tempnam> to <filename>. */
177
178 /* returns 0 on error */
179 int edit_save_file (WEdit * edit, const char *filename)
180 {
181 char *p;
182 long filelen = 0;
183 char *savename = 0;
184 int this_save_mode, fd;
185
186 if (!filename)
187 return 0;
188 if (!*filename)
189 return 0;
190
191 if ((fd = open (filename, O_WRONLY)) == -1) {
192 /*
193 * The file does not exists yet, so no safe save or
194 * backup are necessary.
195 */
196 this_save_mode = 0;
197 } else {
198 close (fd);
199 this_save_mode = option_save_mode;
200 }
201
202 if (this_save_mode > 0) {
203 char *savedir, *slashpos, *saveprefix;
204 savedir = (char *) strdup (".");
205 slashpos = strrchr (filename, '/');
206 if (slashpos) {
207 free (savedir);
208 savedir = (char *) strdup (filename);
209 savedir[slashpos - filename + 1] = '\0';
210 }
211 saveprefix = concat_dir_and_file (savedir, "cooledit");
212 free (savedir);
213 fd = mc_mkstemps(&savename, saveprefix, NULL);
214 g_free (saveprefix);
215 if (!savename)
216 return 0;
217 close (fd);
218 } else
219 savename = g_strdup (filename);
220
221 if ((fd = open (savename, O_CREAT | O_WRONLY | O_TRUNC | MY_O_TEXT,
222 edit->stat1.st_mode)) == -1)
223 goto error_save;
224
225 chmod (savename, edit->stat1.st_mode);
226 chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
227
228 /* pipe save */
229 if ((p = (char *) edit_get_write_filter (savename, filename))) {
230 FILE *file;
231
232 close (fd);
233 file = (FILE *) popen (p, "w");
234
235 if (file) {
236 filelen = edit_write_stream (edit, file);
237 #if 1
238 pclose (file);
239 #else
240 if (pclose (file) != 0) {
241 edit_error_dialog (_ (" Error "), catstrs (_ (" Error writing to pipe: "), p, " ", 0));
242 free (p);
243 goto error_save;
244 }
245 #endif
246 } else {
247 edit_error_dialog (_ (" Error "), get_sys_error (catstrs (_ (" Failed trying to open pipe for writing: "), p, " ", 0)));
248 free (p);
249 goto error_save;
250 }
251 free (p);
252 #ifdef CR_LF_TRANSLATION
253 } else { /* optimised save */
254 filelen = edit_write_stream (edit, f);
255 if (fclose (file))
256 filelen = -1;
257 #else
258 } else {
259 long buf;
260 buf = 0;
261 filelen = edit->last_byte;
262 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
263 if (write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
264 close (fd);
265 goto error_save;
266 }
267 buf++;
268 }
269 if (write (fd, (char *) edit->buffers1[buf], edit->curs1 & M_EDIT_BUF_SIZE) != (edit->curs1 & M_EDIT_BUF_SIZE)) {
270 filelen = -1;
271 } else if (edit->curs2) {
272 edit->curs2--;
273 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
274 if (write (fd, (char *) edit->buffers2[buf] + EDIT_BUF_SIZE - (edit->curs2 & M_EDIT_BUF_SIZE) - 1, 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) != 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
275 filelen = -1;
276 } else {
277 while (--buf >= 0) {
278 if (write (fd, (char *) edit->buffers2[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
279 filelen = -1;
280 break;
281 }
282 }
283 }
284 edit->curs2++;
285 }
286 if (close (fd))
287 goto error_save;
288 #endif /* !CR_LF_TRANSLATION */
289 }
290
291 if (filelen != edit->last_byte)
292 goto error_save;
293 if (this_save_mode == 2)
294 if (rename (filename, catstrs (filename, option_backup_ext, 0)) == -1)
295 goto error_save;
296 if (this_save_mode > 0)
297 if (rename (savename, filename) == -1)
298 goto error_save;
299 if (savename)
300 g_free (savename);
301 return 1;
302 error_save:
303 if (savename)
304 g_free (savename);
305 return 0;
306 }
307
308 /*
309 I changed this from Oleg's original routine so
310 that option_backup_ext works with coolwidgets as well. This
311 does mean there is a memory leak - paul.
312 */
313 void menu_save_mode_cmd (void)
314 {
315 #define DLG_X 38
316 #define DLG_Y 10
317 static char *str_result;
318 static int save_mode_new;
319 static char *str[] =
320 {
321 N_("Quick save "),
322 N_("Safe save "),
323 N_("Do backups -->")};
324 static QuickWidget widgets[] =
325 {
326 {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
327 B_CANCEL, 0, 0, "c"},
328 {quick_button, 6, DLG_X, 7, DLG_Y, N_("&Ok"), 0,
329 B_ENTER, 0, 0, "o"},
330 {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
331 0, 0, &str_result, "edit-backup-ext"},
332 {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
333 0, 0, 0, "savemext"},
334 {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
335 0, &save_mode_new, str, "t"},
336 {0}};
337 static QuickDialog dialog =
338 {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
339 "esm", widgets};
340 static int i18n_flag = 0;
341
342 if (!i18n_flag) {
343 int i;
344 int maxlen = 0;
345 int dlg_x;
346 int l1;
347
348 /* Ok/Cancel buttons */
349 l1 = strlen (_(widgets[0].text)) + strlen (_(widgets[1].text)) + 5;
350 maxlen = max (maxlen, l1);
351
352 for (i = 0; i < 3; i++ ) {
353 str[i] = _(str[i]);
354 maxlen = max (maxlen, strlen (str[i]) + 7);
355 }
356 i18n_flag = 1;
357
358 dlg_x = maxlen + strlen (_(widgets[3].text)) + 5 + 1;
359 widgets[2].hotkey_pos = strlen (_(widgets[3].text)); /* input field length */
360 dlg_x = min (COLS, dlg_x);
361 dialog.xlen = dlg_x;
362
363 i = (dlg_x - l1)/3;
364 widgets[1].relative_x = i;
365 widgets[0].relative_x = i + strlen (_(widgets[1].text)) + i + 4;
366
367 widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
368
369 for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
370 widgets[i].x_divisions = dlg_x;
371 }
372
373 widgets[2].text = option_backup_ext;
374 widgets[4].value = option_save_mode;
375 if (quick_dialog (&dialog) != B_ENTER)
376 return;
377 option_save_mode = save_mode_new;
378 option_backup_ext = str_result; /* this is a memory leak */
379 option_backup_ext_int = 0;
380 str_result[min (strlen (str_result), sizeof (int))] = '\0';
381 memcpy ((char *) &option_backup_ext_int, str_result, strlen (option_backup_ext));
382 }
383
384 void edit_split_filename (WEdit * edit, const char *f)
385 {
386 if (edit->filename)
387 free (edit->filename);
388 edit->filename = (char *) strdup (f);
389 if (edit->dir)
390 free (edit->dir);
391 edit->dir = (char *) strdup ("");
392 }
393
394 /* here we want to warn the user of overwriting an existing file, but only if they
395 have made a change to the filename */
396 /* returns 1 on success */
397 int edit_save_as_cmd (WEdit * edit)
398 {
399 /* This heads the 'Save As' dialog box */
400 char *exp = 0;
401 int different_filename = 0;
402
403 exp = edit_get_save_file (edit->dir, edit->filename, _(" Save As "));
404 edit_push_action (edit, KEY_PRESS + edit->start_display);
405
406 if (exp) {
407 if (!*exp) {
408 g_free (exp);
409 edit->force |= REDRAW_COMPLETELY;
410 return 0;
411 } else {
412 if (strcmp(catstrs (edit->dir, edit->filename, 0), exp)) {
413 int file;
414 different_filename = 1;
415 if ((file = open ((char *) exp, O_RDONLY)) != -1) { /* the file exists */
416 close (file);
417 if (edit_query_dialog2 (_(" Warning "),
418 _(" A file already exists with this name. "),
419 /* Push buttons to over-write the current file, or cancel the operation */
420 _("Overwrite"), _("Cancel"))) {
421 edit->force |= REDRAW_COMPLETELY;
422 g_free (exp);
423 return 0;
424 }
425 }
426 }
427 if (edit_save_file (edit, exp)) {
428 edit_split_filename (edit, exp);
429 g_free (exp);
430 edit->modified = 0;
431 edit->delete_file = 0;
432 if (different_filename && !edit->explicit_syntax)
433 edit_load_syntax (edit, 0, 0);
434 edit->force |= REDRAW_COMPLETELY;
435 return 1;
436 } else {
437 g_free (exp);
438 edit_error_dialog (_(" Save as "), get_sys_error (_(" Error trying to save file. ")));
439 edit->force |= REDRAW_COMPLETELY;
440 return 0;
441 }
442 }
443 }
444 edit->force |= REDRAW_COMPLETELY;
445 return 0;
446 }
447
448 /* {{{ Macro stuff starts here */
449
450 int raw_callback (struct Dlg_head *h, int key, int Msg)
451 {
452 switch (Msg) {
453 case DLG_DRAW:
454 attrset (REVERSE_COLOR);
455 dlg_erase (h);
456 draw_box (h, 1, 1, h->lines - 2, h->cols - 2);
457
458 attrset (COLOR_HOT_NORMAL);
459 dlg_move (h, 1, 2);
460 printw (h->title);
461 break;
462
463 case DLG_KEY:
464 h->running = 0;
465 h->ret_value = key;
466 return 1;
467 }
468 return 0;
469 }
470
471 /* gets a raw key from the keyboard. Passing cancel = 1 draws
472 a cancel button thus allowing c-c etc.. Alternatively, cancel = 0
473 will return the next key pressed */
474 int edit_raw_key_query (char *heading, char *query, int cancel)
475 {
476 int w = strlen (query) + 7;
477 struct Dlg_head *raw_dlg = create_dlg (0, 0, 7, w, dialog_colors,
478 /* NLS ? */
479 raw_callback, "[Raw Key Query]",
480 "raw_key_input",
481 DLG_CENTER | DLG_TRYUP);
482 x_set_dialog_title (raw_dlg, heading);
483 raw_dlg->raw = 1; /* to return even a tab key */
484 if (cancel)
485 add_widget (raw_dlg, button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON, _("Cancel"), 0, 0, 0));
486 add_widget (raw_dlg, label_new (3 - cancel, 2, query, 0));
487 add_widget (raw_dlg, input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0));
488 run_dlg (raw_dlg);
489 w = raw_dlg->ret_value;
490 destroy_dlg (raw_dlg);
491 if (cancel)
492 if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR || w == B_CANCEL)
493 return 0;
494 /* hence ctrl-a (=B_CANCEL), ctrl-g, ctrl-c, and Esc are cannot returned */
495 return w;
496 }
497
498 /* creates a macro file if it doesn't exist */
499 static FILE *edit_open_macro_file (const char *r)
500 {
501 char *filename;
502 int file;
503 filename = catstrs (home_dir, MACRO_FILE, 0);
504 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
505 return 0;
506 close (file);
507 return fopen (filename, r);
508 }
509
510 #define MAX_MACROS 1024
511 static int saved_macro[MAX_MACROS + 1];
512 static int saved_macros_loaded = 0;
513
514 /*
515 This is just to stop the macro file be loaded over and over for keys
516 that aren't defined to anything. On slow systems this could be annoying.
517 */
518 int macro_exists (int k)
519 {
520 int i;
521 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
522 if (saved_macro[i] == k)
523 return i;
524 return -1;
525 }
526
527 /* returns 1 on error */
528 int edit_delete_macro (WEdit * edit, int k)
529 {
530 struct macro macro[MAX_MACRO_LENGTH];
531 FILE *f, *g;
532 int s, i, n, j = 0;
533
534 if (saved_macros_loaded)
535 if ((j = macro_exists (k)) < 0)
536 return 0;
537 g = fopen (catstrs (home_dir, TEMP_FILE, 0), "w");
538 if (!g) {
539 /* This heads the delete macro error dialog box */
540 edit_error_dialog (_(" Delete macro "),
541 /* 'Open' = load temp file */
542 get_sys_error (_(" Error trying to open temp file ")));
543 return 1;
544 }
545 f = edit_open_macro_file ("r");
546 if (!f) {
547 /* This heads the delete macro error dialog box */
548 edit_error_dialog (_(" Delete macro "),
549 /* 'Open' = load temp file */
550 get_sys_error (_(" Error trying to open macro file ")));
551 fclose (g);
552 return 1;
553 }
554 for (;;) {
555 n = fscanf (f, ("key '%d 0': "), &s);
556 if (!n || n == EOF)
557 break;
558 n = 0;
559 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
560 n++;
561 fscanf (f, ";\n");
562 if (s != k) {
563 fprintf (g, ("key '%d 0': "), s);
564 for (i = 0; i < n; i++)
565 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
566 fprintf (g, ";\n");
567 }
568 }
569 fclose (f);
570 fclose (g);
571 if (rename (catstrs (home_dir, TEMP_FILE, 0), catstrs (home_dir, MACRO_FILE, 0)) == -1) {
572 /* This heads the delete macro error dialog box */
573 edit_error_dialog (_(" Delete macro "),
574 get_sys_error (_(" Error trying to overwrite macro file ")));
575 return 1;
576 }
577 if (saved_macros_loaded)
578 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
579 return 0;
580 }
581
582 /* returns 0 on error */
583 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
584 {
585 FILE *f;
586 int s, i;
587
588 edit_push_action (edit, KEY_PRESS + edit->start_display);
589 /* This heads the 'Macro' dialog box */
590 s = edit_raw_key_query (_(" Macro "),
591 /* Input line for a single key press follows the ':' */
592 _(" Press the macro's new hotkey: "), 1);
593 edit->force |= REDRAW_COMPLETELY;
594 if (s) {
595 if (edit_delete_macro (edit, s))
596 return 0;
597 f = edit_open_macro_file ("a+");
598 if (f) {
599 fprintf (f, ("key '%d 0': "), s);
600 for (i = 0; i < n; i++)
601 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
602 fprintf (f, ";\n");
603 fclose (f);
604 if (saved_macros_loaded) {
605 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
606 saved_macro[i] = s;
607 }
608 return 1;
609 } else
610 /* This heads the 'Save Macro' dialog box */
611 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Error trying to open macro file ")));
612 }
613 return 0;
614 }
615
616 void edit_delete_macro_cmd (WEdit * edit)
617 {
618 int command;
619
620 command = edit_raw_key_query (_ (" Delete Macro "),
621 _ (" Press macro hotkey: "), 1);
622
623 if (!command)
624 return;
625
626 edit_delete_macro (edit, command);
627 }
628
629 /* return 0 on error */
630 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
631 {
632 FILE *f;
633 int s, i = 0, found = 0;
634
635 if (saved_macros_loaded)
636 if (macro_exists (k) < 0)
637 return 0;
638
639 if ((f = edit_open_macro_file ("r"))) {
640 struct macro dummy;
641 do {
642 int u;
643 u = fscanf (f, ("key '%d 0': "), &s);
644 if (!u || u == EOF)
645 break;
646 if (!saved_macros_loaded)
647 saved_macro[i++] = s;
648 if (!found) {
649 *n = 0;
650 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
651 (*n)++;
652 } else {
653 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
654 }
655 fscanf (f, ";\n");
656 if (s == k)
657 found = 1;
658 } while (!found || !saved_macros_loaded);
659 if (!saved_macros_loaded) {
660 saved_macro[i] = 0;
661 saved_macros_loaded = 1;
662 }
663 fclose (f);
664 return found;
665 } else
666 /* This heads the 'Load Macro' dialog box */
667 edit_error_dialog (_(" Load macro "),
668 get_sys_error (_(" Error trying to open macro file ")));
669 return 0;
670 }
671
672 /* }}} Macro stuff starts here */
673
674 /* returns 1 on success */
675 int edit_save_confirm_cmd (WEdit * edit)
676 {
677 char *f;
678
679 if (edit_confirm_save) {
680 f = catstrs (_(" Confirm save file? : "), edit->filename, " ", 0);
681 /* Buttons to 'Confirm save file' query */
682 if (edit_query_dialog2 (_(" Save file "), f, _("Save"), _("Cancel")))
683 return 0;
684 }
685 return edit_save_cmd (edit);
686 }
687
688
689 /* returns 1 on success */
690 int edit_save_cmd (WEdit * edit)
691 {
692 if (!edit_save_file (edit, catstrs (edit->dir, edit->filename, 0)))
693 return edit_save_as_cmd (edit);
694 edit->force |= REDRAW_COMPLETELY;
695 edit->modified = 0;
696 edit->delete_file = 0;
697
698 return 1;
699 }
700
701
702 /* returns 1 on success */
703 int edit_new_cmd (WEdit * edit)
704 {
705 if (edit->modified) {
706 if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) {
707 edit->force |= REDRAW_COMPLETELY;
708 return 0;
709 }
710 }
711 edit->force |= REDRAW_COMPLETELY;
712 edit->modified = 0;
713 return edit_renew (edit); /* if this gives an error, something has really screwed up */
714 }
715
716 /* returns 1 on error */
717 int edit_load_file_from_filename (WEdit * edit, char *exp)
718 {
719 if (!edit_reload (edit, exp, 0, "", 0))
720 return 1;
721 edit_split_filename (edit, exp);
722 edit->modified = 0;
723 return 0;
724 }
725
726 int edit_load_cmd (WEdit * edit)
727 {
728 char *exp;
729
730 if (edit->modified) {
731 if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) {
732 edit->force |= REDRAW_COMPLETELY;
733 return 0;
734 }
735 }
736
737 exp = edit_get_load_file (edit->dir, edit->filename, _ (" Load "));
738
739 if (exp) {
740 if (*exp)
741 edit_load_file_from_filename (edit, exp);
742 g_free (exp);
743 }
744 edit->force |= REDRAW_COMPLETELY;
745 return 0;
746 }
747
748 /*
749 if mark2 is -1 then marking is from mark1 to the cursor.
750 Otherwise its between the markers. This handles this.
751 Returns 1 if no text is marked.
752 */
753 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
754 {
755 if (edit->mark1 != edit->mark2) {
756 if (edit->mark2 >= 0) {
757 *start_mark = min (edit->mark1, edit->mark2);
758 *end_mark = max (edit->mark1, edit->mark2);
759 } else {
760 *start_mark = min (edit->mark1, edit->curs1);
761 *end_mark = max (edit->mark1, edit->curs1);
762 edit->column2 = edit->curs_col;
763 }
764 return 0;
765 } else {
766 *start_mark = *end_mark = 0;
767 edit->column2 = edit->column1 = 0;
768 return 1;
769 }
770 }
771
772 /*Block copy, move and delete commands */
773 extern int column_highlighting;
774
775 #define space_width 1
776
777 void edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
778 {
779 long cursor;
780 int i, col;
781 cursor = edit->curs1;
782 col = edit_get_col (edit);
783 for (i = 0; i < size; i++) {
784 if (data[i] == '\n') { /* fill in and move to next line */
785 int l;
786 long p;
787 if (edit_get_byte (edit, edit->curs1) != '\n') {
788 l = width - (edit_get_col (edit) - col);
789 while (l > 0) {
790 edit_insert (edit, ' ');
791 l -= space_width;
792 }
793 }
794 for (p = edit->curs1;; p++) {
795 if (p == edit->last_byte)
796 edit_insert_ahead (edit, '\n');
797 if (edit_get_byte (edit, p) == '\n') {
798 p++;
799 break;
800 }
801 }
802 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
803 l = col - edit_get_col (edit);
804 while (l >= space_width) {
805 edit_insert (edit, ' ');
806 l -= space_width;
807 }
808 continue;
809 }
810 edit_insert (edit, data[i]);
811 }
812 edit_cursor_move (edit, cursor - edit->curs1);
813 }
814
815
816 void edit_block_copy_cmd (WEdit * edit)
817 {
818 long start_mark, end_mark, current = edit->curs1;
819 int size, x;
820 unsigned char *copy_buf;
821
822 edit_update_curs_col (edit);
823 x = edit->curs_col;
824 if (eval_marks (edit, &start_mark, &end_mark))
825 return;
826 if (column_highlighting)
827 if ((x >= edit->column1 && x < edit->column2) || (x > edit->column2 && x <= edit->column1))
828 return;
829
830 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
831
832 /* all that gets pushed are deletes hence little space is used on the stack */
833
834 edit_push_markers (edit);
835
836 if (column_highlighting) {
837 edit_insert_column_of_text (edit, copy_buf, size, abs (edit->column2 - edit->column1));
838 } else {
839 while (size--)
840 edit_insert_ahead (edit, copy_buf[size]);
841 }
842
843 free (copy_buf);
844 edit_scroll_screen_over_cursor (edit);
845
846 if (column_highlighting) {
847 edit_set_markers (edit, 0, 0, 0, 0);
848 edit_push_action (edit, COLUMN_ON);
849 column_highlighting = 0;
850 } else if (start_mark < current && end_mark > current)
851 edit_set_markers (edit, start_mark, end_mark + end_mark - start_mark, 0, 0);
852
853 edit->force |= REDRAW_PAGE;
854 }
855
856
857 void edit_block_move_cmd (WEdit * edit)
858 {
859 long count;
860 long current;
861 unsigned char *copy_buf;
862 long start_mark, end_mark;
863 int deleted = 0;
864 int x = 0;
865
866 if (eval_marks (edit, &start_mark, &end_mark))
867 return;
868 if (column_highlighting) {
869 edit_update_curs_col (edit);
870 x = edit->curs_col;
871 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
872 if ((x > edit->column1 && x < edit->column2) || (x > edit->column2 && x < edit->column1))
873 return;
874 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
875 return;
876
877 if ((end_mark - start_mark) > option_max_undo / 2)
878 if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ ("Continue"), _ ("Cancel")))
879 return;
880
881 edit_push_markers (edit);
882 current = edit->curs1;
883 if (column_highlighting) {
884 int size, c1, c2, line;
885 line = edit->curs_line;
886 if (edit->mark2 < 0)
887 edit_mark_cmd (edit, 0);
888 c1 = min (edit->column1, edit->column2);
889 c2 = max (edit->column1, edit->column2);
890 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
891 if (x < c2) {
892 edit_block_delete_cmd (edit);
893 deleted = 1;
894 }
895 edit_move_to_line (edit, line);
896 edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1);
897 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
898 if (!deleted) {
899 line = edit->curs_line;
900 edit_update_curs_col (edit);
901 x = edit->curs_col;
902 edit_block_delete_cmd (edit);
903 edit_move_to_line (edit, line);
904 edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1);
905 }
906 edit_set_markers (edit, 0, 0, 0, 0);
907 edit_push_action (edit, COLUMN_ON);
908 column_highlighting = 0;
909 } else {
910 copy_buf = malloc (end_mark - start_mark);
911 edit_cursor_move (edit, start_mark - edit->curs1);
912 edit_scroll_screen_over_cursor (edit);
913 count = start_mark;
914 while (count < end_mark) {
915 copy_buf[end_mark - count - 1] = edit_delete (edit);
916 count++;
917 }
918 edit_scroll_screen_over_cursor (edit);
919 edit_cursor_move (edit, current - edit->curs1 - (((current - edit->curs1) > 0) ? end_mark - start_mark : 0));
920 edit_scroll_screen_over_cursor (edit);
921 while (count-- > start_mark)
922 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
923 edit_set_markers (edit, edit->curs1, edit->curs1 + end_mark - start_mark, 0, 0);
924 }
925 edit_scroll_screen_over_cursor (edit);
926 free (copy_buf);
927 edit->force |= REDRAW_PAGE;
928 }
929
930 void edit_cursor_to_bol (WEdit * edit);
931
932 void edit_delete_column_of_text (WEdit * edit)
933 {
934 long p, q, r, m1, m2;
935 int b, c, d;
936 int n;
937
938 eval_marks (edit, &m1, &m2);
939 n = edit_move_forward (edit, m1, 0, m2) + 1;
940 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
941 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
942
943 b = min (c, d);
944 c = max (c, d);
945
946 while (n--) {
947 r = edit_bol (edit, edit->curs1);
948 p = edit_move_forward3 (edit, r, b, 0);
949 q = edit_move_forward3 (edit, r, c, 0);
950 if (p < m1)
951 p = m1;
952 if (q > m2)
953 q = m2;
954 edit_cursor_move (edit, p - edit->curs1);
955 while (q > p) { /* delete line between margins */
956 if (edit_get_byte (edit, edit->curs1) != '\n')
957 edit_delete (edit);
958 q--;
959 }
960 if (n) /* move to next line except on the last delete */
961 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
962 }
963 }
964
965 /* if success return 0 */
966 int edit_block_delete (WEdit * edit)
967 {
968 long count;
969 long start_mark, end_mark;
970 if (eval_marks (edit, &start_mark, &end_mark))
971 return 0;
972 if (column_highlighting && edit->mark2 < 0)
973 edit_mark_cmd (edit, 0);
974 if ((end_mark - start_mark) > option_max_undo / 2)
975 /* Warning message with a query to continue or cancel the operation */
976 if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ (" Continue "), _ (" Cancel ")))
977 return 1;
978 edit_push_markers (edit);
979 edit_cursor_move (edit, start_mark - edit->curs1);
980 edit_scroll_screen_over_cursor (edit);
981 count = start_mark;
982 if (start_mark < end_mark) {
983 if (column_highlighting) {
984 if (edit->mark2 < 0)
985 edit_mark_cmd (edit, 0);
986 edit_delete_column_of_text (edit);
987 } else {
988 while (count < end_mark) {
989 edit_delete (edit);
990 count++;
991 }
992 }
993 }
994 edit_set_markers (edit, 0, 0, 0, 0);
995 edit->force |= REDRAW_PAGE;
996 return 0;
997 }
998
999 /* returns 1 if canceelled by user */
1000 int edit_block_delete_cmd (WEdit * edit)
1001 {
1002 long start_mark, end_mark;
1003 if (eval_marks (edit, &start_mark, &end_mark)) {
1004 edit_delete_line (edit);
1005 return 0;
1006 }
1007 return edit_block_delete (edit);
1008 }
1009
1010
1011 #define INPUT_INDEX 9
1012 #define SEARCH_DLG_WIDTH 58
1013 #define SEARCH_DLG_HEIGHT 10
1014 #define REPLACE_DLG_WIDTH 58
1015 #define REPLACE_DLG_HEIGHT 15
1016 #define CONFIRM_DLG_WIDTH 79
1017 #define CONFIRM_DLG_HEIGTH 6
1018 #define B_REPLACE_ALL B_USER+1
1019 #define B_REPLACE_ONE B_USER+2
1020 #define B_SKIP_REPLACE B_USER+3
1021
1022 int edit_replace_prompt (WEdit * edit, char *replace_text, int xpos, int ypos)
1023 {
1024 QuickWidget quick_widgets[] =
1025 {
1026 {quick_button, 63, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Cancel"),
1027 0, B_CANCEL, 0, 0, NULL},
1028 {quick_button, 50, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("o&Ne"),
1029 0, B_REPLACE_ONE, 0, 0, NULL},
1030 {quick_button, 37, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("al&L"),
1031 0, B_REPLACE_ALL, 0, 0, NULL},
1032 {quick_button, 21, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Skip"),
1033 0, B_SKIP_REPLACE, 0, 0, NULL},
1034 {quick_button, 4, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Replace"),
1035 0, B_ENTER, 0, 0, NULL},
1036 {quick_label, 2, CONFIRM_DLG_WIDTH, 2, CONFIRM_DLG_HEIGTH, 0,
1037 0, 0, 0, 0, 0},
1038 {0}};
1039
1040 #ifdef HAVE_CHARSET
1041 char *msg = _(" Replace with: ");
1042
1043 quick_widgets[5].text = catstrs (msg, replace_text, 0);
1044
1045 if (*replace_text)
1046 convert_to_display (quick_widgets[5].text + strlen (msg));
1047 #else
1048 quick_widgets[5].text = catstrs (_ (" Replace with: "), replace_text, 0);
1049 #endif /* !HAVE_CHARSET */
1050
1051 {
1052 QuickDialog Quick_input =
1053 {CONFIRM_DLG_WIDTH, CONFIRM_DLG_HEIGTH, 0, 0, N_ (" Confirm replace "),
1054 "[Input Line Keys]", "quick_input", 0 /*quick_widgets */ };
1055
1056 Quick_input.widgets = quick_widgets;
1057
1058 Quick_input.xpos = xpos;
1059
1060 /* Sometimes menu can hide replaced text. I don't like it */
1061
1062 if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + CONFIRM_DLG_HEIGTH - 1))
1063 ypos -= CONFIRM_DLG_HEIGTH;
1064
1065 Quick_input.ypos = ypos;
1066 return quick_dialog (&Quick_input);
1067 }
1068 }
1069
1070 void edit_replace_dialog (WEdit * edit, char **search_text, char **replace_text, char **arg_order)
1071 {
1072 int treplace_scanf = replace_scanf;
1073 int treplace_regexp = replace_regexp;
1074 int treplace_all = replace_all;
1075 int treplace_prompt = replace_prompt;
1076 int treplace_backwards = replace_backwards;
1077 int treplace_whole = replace_whole;
1078 int treplace_case = replace_case;
1079
1080 QuickWidget quick_widgets[] =
1081 {
1082 {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1083 0, NULL},
1084 {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
1085 0, NULL},
1086 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1087 0, 0, NULL},
1088 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("replace &All"), 0, 0,
1089 0, 0, NULL},
1090 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("pr&Ompt on replace"), 0, 0,
1091 0, 0, NULL},
1092 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1093 0, 0, NULL},
1094 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1095 0, 0, NULL},
1096 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1097 0, 0, NULL},
1098 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1099 0, 0, NULL},
1100 {quick_input, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1101 0, "edit-argord"},
1102 {quick_label, 2, REPLACE_DLG_WIDTH, 6, REPLACE_DLG_HEIGHT, N_(" Enter replacement argument order eg. 3,2,1,4 "), 0, 0,
1103 0, 0, 0},
1104 {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1105 0, "edit-replace"},
1106 {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"), 0, 0, 0,
1107 0, 0},
1108 {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1109 0, "edit-search"},
1110 {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1111 0, 0},
1112 {0}};
1113
1114 quick_widgets[2].result = &treplace_scanf;
1115 quick_widgets[3].result = &treplace_all;
1116 quick_widgets[4].result = &treplace_prompt;
1117 quick_widgets[5].result = &treplace_backwards;
1118 quick_widgets[6].result = &treplace_regexp;
1119 quick_widgets[7].result = &treplace_whole;
1120 quick_widgets[8].result = &treplace_case;
1121 quick_widgets[9].str_result = arg_order;
1122 quick_widgets[9].text = *arg_order;
1123 quick_widgets[11].str_result = replace_text;
1124 quick_widgets[11].text = *replace_text;
1125 quick_widgets[13].str_result = search_text;
1126 quick_widgets[13].text = *search_text;
1127 {
1128 QuickDialog Quick_input =
1129 {REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, 0, N_(" Replace "),
1130 "[Input Line Keys]", "quick_input", 0 /*quick_widgets */ };
1131
1132 Quick_input.widgets = quick_widgets;
1133
1134 if (quick_dialog (&Quick_input) != B_CANCEL) {
1135 replace_scanf = treplace_scanf;
1136 replace_backwards = treplace_backwards;
1137 replace_regexp = treplace_regexp;
1138 replace_all = treplace_all;
1139 replace_prompt = treplace_prompt;
1140 replace_whole = treplace_whole;
1141 replace_case = treplace_case;
1142 return;
1143 } else {
1144 *arg_order = NULL;
1145 *replace_text = NULL;
1146 *search_text = NULL;
1147 return;
1148 }
1149 }
1150 }
1151
1152
1153 void edit_search_dialog (WEdit * edit, char **search_text)
1154 {
1155 int treplace_scanf = replace_scanf;
1156 int treplace_regexp = replace_regexp;
1157 int treplace_whole = replace_whole;
1158 int treplace_case = replace_case;
1159 int treplace_backwards = replace_backwards;
1160
1161 QuickWidget quick_widgets[] =
1162 {
1163 {quick_button, 6, 10, 7, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1164 0, NULL},
1165 {quick_button, 2, 10, 7, SEARCH_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
1166 0, NULL},
1167 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1168 0, 0, NULL },
1169 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1170 0, 0, NULL},
1171 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1172 0, 0, NULL},
1173 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1174 0, 0, NULL},
1175 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 4, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1176 0, 0, NULL},
1177 {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, "", 52, 0, 0,
1178 0, "edit-search"},
1179 {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1180 0, 0},
1181 {0}};
1182
1183 quick_widgets[2].result = &treplace_scanf;
1184 quick_widgets[3].result = &treplace_backwards;
1185 quick_widgets[4].result = &treplace_regexp;
1186 quick_widgets[5].result = &treplace_whole;
1187 quick_widgets[6].result = &treplace_case;
1188 quick_widgets[7].str_result = search_text;
1189 quick_widgets[7].text = *search_text;
1190
1191 {
1192 QuickDialog Quick_input =
1193 {SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_(" Search "),
1194 "[Input Line Keys]", "quick_input", 0 /*quick_widgets */ };
1195
1196 Quick_input.widgets = quick_widgets;
1197
1198 if (quick_dialog (&Quick_input) != B_CANCEL) {
1199 replace_scanf = treplace_scanf;
1200 replace_backwards = treplace_backwards;
1201 replace_regexp = treplace_regexp;
1202 replace_whole = treplace_whole;
1203 replace_case = treplace_case;
1204 } else {
1205 *search_text = NULL;
1206 }
1207 }
1208 }
1209
1210
1211 static long sargs[NUM_REPL_ARGS][256 / sizeof (long)];
1212
1213 #define SCANF_ARGS sargs[0], sargs[1], sargs[2], sargs[3], \
1214 sargs[4], sargs[5], sargs[6], sargs[7], \
1215 sargs[8], sargs[9], sargs[10], sargs[11], \
1216 sargs[12], sargs[13], sargs[14], sargs[15]
1217
1218 #define PRINTF_ARGS sargs[argord[0]], sargs[argord[1]], sargs[argord[2]], sargs[argord[3]], \
1219 sargs[argord[4]], sargs[argord[5]], sargs[argord[6]], sargs[argord[7]], \
1220 sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \
1221 sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]]
1222
1223
1224 /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */
1225 /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */
1226 int string_regexp_search (char *pattern, char *string, int len, int match_type, int match_bol, int icase, int *found_len, void *d)
1227 {
1228 static regex_t r;
1229 static char *old_pattern = NULL;
1230 static int old_type, old_icase;
1231 regmatch_t *pmatch;
1232 static regmatch_t s[1];
1233
1234 pmatch = (regmatch_t *) d;
1235 if (!pmatch)
1236 pmatch = s;
1237
1238 if (!old_pattern || strcmp (old_pattern, pattern) || old_type != match_type || old_icase != icase) {
1239 if (old_pattern) {
1240 regfree (&r);
1241 free (old_pattern);
1242 old_pattern = 0;
1243 }
1244 if (regcomp (&r, pattern, REG_EXTENDED | (icase ? REG_ICASE : 0))) {
1245 *found_len = 0;
1246 return -3;
1247 }
1248 old_pattern = (char *) strdup (pattern);
1249 old_type = match_type;
1250 old_icase = icase;
1251 }
1252 if (regexec (&r, string, d ? NUM_REPL_ARGS : 1, pmatch, ((match_bol || match_type != match_normal) ? 0 : REG_NOTBOL)) != 0) {
1253 *found_len = 0;
1254 return -1;
1255 }
1256 *found_len = pmatch[0].rm_eo - pmatch[0].rm_so;
1257 return (pmatch[0].rm_so);
1258 }
1259
1260 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1261 (and the above) routines to work properly - paul */
1262
1263 long edit_find_string (long start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, int once_only, void *d)
1264 {
1265 long p, q = 0;
1266 long l = strlen ((char *) exp), f = 0;
1267 int n = 0;
1268
1269 for (p = 0; p < l; p++) /* count conversions... */
1270 if (exp[p] == '%')
1271 if (exp[++p] != '%') /* ...except for "%%" */
1272 n++;
1273
1274 if (replace_scanf || replace_regexp) {
1275 int c;
1276 unsigned char *buf;
1277 unsigned char mbuf[MAX_REPL_LEN * 2 + 3];
1278
1279 replace_scanf = (!replace_regexp); /* can't have both */
1280
1281 buf = mbuf;
1282
1283 if (replace_scanf) {
1284 unsigned char e[MAX_REPL_LEN];
1285 if (n >= NUM_REPL_ARGS)
1286 return -3;
1287
1288 if (replace_case) {
1289 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++)
1290 buf[p - start] = (*get_byte) (data, p);
1291 } else {
1292 for (p = 0; exp[p] != 0; p++)
1293 exp[p] = my_lower_case (exp[p]);
1294 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) {
1295 c = (*get_byte) (data, p);
1296 buf[p - start] = my_lower_case (c);
1297 }
1298 }
1299
1300 buf[(q = p - start)] = 0;
1301 strcpy ((char *) e, (char *) exp);
1302 strcat ((char *) e, "%n");
1303 exp = e;
1304
1305 while (q) {
1306 *((int *) sargs[n]) = 0; /* --> here was the problem - now fixed: good */
1307 if (n == sscanf ((char *) buf, (char *) exp, SCANF_ARGS)) {
1308 if (*((int *) sargs[n])) {
1309 *len = *((int *) sargs[n]);
1310 return start;
1311 }
1312 }
1313 if (once_only)
1314 return -2;
1315 if (q + start < last_byte) {
1316 if (replace_case) {
1317 buf[q] = (*get_byte) (data, q + start);
1318 } else {
1319 c = (*get_byte) (data, q + start);
1320 buf[q] = my_lower_case (c);
1321 }
1322 q++;
1323 }
1324 buf[q] = 0;
1325 start++;
1326 buf++; /* move the window along */
1327 if (buf == mbuf + MAX_REPL_LEN) { /* the window is about to go past the end of array, so... */
1328 memmove (mbuf, buf, strlen ((char *) buf) + 1); /* reset it */
1329 buf = mbuf;
1330 }
1331 q--;
1332 }
1333 } else { /* regexp matching */
1334 long offset = 0;
1335 int found_start, match_bol, move_win = 0;
1336
1337 while (start + offset < last_byte) {
1338 match_bol = (offset == 0 || (*get_byte) (data, start + offset - 1) == '\n');
1339 if (!move_win) {
1340 p = start + offset;
1341 q = 0;
1342 }
1343 for (; p < last_byte && q < MAX_REPL_LEN; p++, q++) {
1344 mbuf[q] = (*get_byte) (data, p);
1345 if (mbuf[q] == '\n')
1346 break;
1347 }
1348 q++;
1349 offset += q;
1350 mbuf[q] = 0;
1351
1352 buf = mbuf;
1353 while (q) {
1354 found_start = string_regexp_search ((char *) exp, (char *) buf, q, match_normal, match_bol, !replace_case, len, d);
1355
1356 if (found_start <= -2) { /* regcomp/regexec error */
1357 *len = 0;
1358 return -3;
1359 }
1360 else if (found_start == -1) /* not found: try next line */
1361 break;
1362 else if (*len == 0) { /* null pattern: try again at next character */
1363 q--;
1364 buf++;
1365 match_bol = 0;
1366 continue;
1367 }
1368 else /* found */
1369 return (start + offset - q + found_start);
1370 }
1371 if (once_only)
1372 return -2;
1373
1374 if (buf[q - 1] != '\n') { /* incomplete line: try to recover */
1375 buf = mbuf + MAX_REPL_LEN / 2;
1376 q = strlen ((char *) buf);
1377 memmove (mbuf, buf, q);
1378 p = start + q;
1379 move_win = 1;
1380 }
1381 else
1382 move_win = 0;
1383 }
1384 }
1385 } else {
1386 *len = strlen ((char *) exp);
1387 if (replace_case) {
1388 for (p = start; p <= last_byte - l; p++) {
1389 if ((*get_byte) (data, p) == (unsigned char)exp[0]) { /* check if first char matches */
1390 for (f = 0, q = 0; q < l && f < 1; q++)
1391 if ((*get_byte) (data, q + p) != (unsigned char)exp[q])
1392 f = 1;
1393 if (f == 0)
1394 return p;
1395 }
1396 if (once_only)
1397 return -2;
1398 }
1399 } else {
1400 for (p = 0; exp[p] != 0; p++)
1401 exp[p] = my_lower_case (exp[p]);
1402
1403 for (p = start; p <= last_byte - l; p++) {
1404 if (my_lower_case ((*get_byte) (data, p)) == (unsigned char)exp[0]) {
1405 for (f = 0, q = 0; q < l && f < 1; q++)
1406 if (my_lower_case ((*get_byte) (data, q + p)) != (unsigned char)exp[q])
1407 f = 1;
1408 if (f == 0)
1409 return p;
1410 }
1411 if (once_only)
1412 return -2;
1413 }
1414 }
1415 }
1416 return -2;
1417 }
1418
1419
1420 long edit_find_forwards (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, int once_only, void *d)
1421 { /*front end to find_string to check for
1422 whole words */
1423 long p;
1424 p = search_start;
1425
1426 while ((p = edit_find_string (p, exp, len, last_byte, get_byte, data, once_only, d)) >= 0) {
1427 if (replace_whole) {
1428 /*If the bordering chars are not in option_whole_chars_search then word is whole */
1429 if (!strcasechr (option_whole_chars_search, (*get_byte) (data, p - 1))
1430 && !strcasechr (option_whole_chars_search, (*get_byte) (data, p + *len)))
1431 return p;
1432 if (once_only)
1433 return -2;
1434 } else
1435 return p;
1436 if (once_only)
1437 break;
1438 p++; /*not a whole word so continue search. */
1439 }
1440 return p;
1441 }
1442
1443 long edit_find (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, void *d)
1444 {
1445 long p;
1446 if (replace_backwards) {
1447 while (search_start >= 0) {
1448 p = edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 1, d);
1449 if (p == search_start)
1450 return p;
1451 search_start--;
1452 }
1453 } else {
1454 return edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 0, d);
1455 }
1456 return -2;
1457 }
1458
1459 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1460
1461 #define snprintf(v) { \
1462 *p1++ = *p++; \
1463 *p1++ = '%'; \
1464 *p1++ = 'n'; \
1465 *p1 = '\0'; \
1466 sprintf(s,q1,v,&n); \
1467 s += n; \
1468 }
1469
1470 /* this function uses the sprintf command to do a vprintf */
1471 /* it takes pointers to arguments instead of the arguments themselves */
1472 static int sprintf_p (char *str, const char *fmt,...)
1473 __attribute__ ((format (printf, 2, 3)));
1474
1475 static int sprintf_p (char *str, const char *fmt,...)
1476 {
1477 va_list ap;
1478 int n;
1479 char *q, *p, *s = str;
1480 char q1[32];
1481 char *p1;
1482
1483 va_start (ap, fmt);
1484 p = q = (char *) fmt;
1485
1486 while ((p = strchr (p, '%'))) {
1487 n = (int) ((unsigned long) p - (unsigned long) q);
1488 strncpy (s, q, n); /* copy stuff between format specifiers */
1489 s += n;
1490 *s = 0;
1491 q = p;
1492 p1 = q1;
1493 *p1++ = *p++;
1494 if (*p == '%') {
1495 p++;
1496 *s++ = '%';
1497 q = p;
1498 continue;
1499 }
1500 if (*p == 'n') {
1501 p++;
1502 /* do nothing */
1503 q = p;
1504 continue;
1505 }
1506 if (*p == '#')
1507 *p1++ = *p++;
1508 if (*p == '0')
1509 *p1++ = *p++;
1510 if (*p == '-')
1511 *p1++ = *p++;
1512 if (*p == '+')
1513 *p1++ = *p++;
1514 if (*p == '*') {
1515 p++;
1516 strcpy (p1, itoa (*va_arg (ap, int *))); /* replace field width with a number */
1517 p1 += strlen (p1);
1518 } else {
1519 while (is_digit (*p))
1520 *p1++ = *p++;
1521 }
1522 if (*p == '.')
1523 *p1++ = *p++;
1524 if (*p == '*') {
1525 p++;
1526 strcpy (p1, itoa (*va_arg (ap, int *))); /* replace precision with a number */
1527 p1 += strlen (p1);
1528 } else {
1529 while (is_digit (*p))
1530 *p1++ = *p++;
1531 }
1532 /* flags done, now get argument */
1533 if (*p == 's') {
1534 snprintf (va_arg (ap, char *));
1535 } else if (*p == 'h') {
1536 if (strchr ("diouxX", *p))
1537 snprintf (*va_arg (ap, short *));
1538 } else if (*p == 'l') {
1539 *p1++ = *p++;
1540 if (strchr ("diouxX", *p))
1541 snprintf (*va_arg (ap, long *));
1542 } else if (strchr ("cdiouxX", *p)) {
1543 snprintf (*va_arg (ap, int *));
1544 } else if (*p == 'L') {
1545 *p1++ = *p++;
1546 if (strchr ("EefgG", *p))
1547 snprintf (*va_arg (ap, double *)); /* should be long double */
1548 } else if (strchr ("EefgG", *p)) {
1549 snprintf (*va_arg (ap, double *));
1550 } else if (strchr ("DOU", *p)) {
1551 snprintf (*va_arg (ap, long *));
1552 } else if (*p == 'p') {
1553 snprintf (*va_arg (ap, void **));
1554 }
1555 q = p;
1556 }
1557 va_end (ap);
1558 sprintf (s, q); /* print trailing leftover */
1559 return (unsigned long) s - (unsigned long) str + strlen (s);
1560 }
1561
1562 static void regexp_error (WEdit *edit)
1563 {
1564 /* "Error: Syntax error in regular expression, or scanf expression contained too many %'s */
1565 edit_error_dialog (_(" Error "), _(" Invalid regular expression, or scanf expression with to many conversions "));
1566 }
1567
1568 /* call with edit = 0 before shutdown to close memory leaks */
1569 void edit_replace_cmd (WEdit * edit, int again)
1570 {
1571 static regmatch_t pmatch[NUM_REPL_ARGS];
1572 static char *old1 = NULL;
1573 static char *old2 = NULL;
1574 static char *old3 = NULL;
1575 char *exp1 = "";
1576 char *exp2 = "";
1577 char *exp3 = "";
1578 int replace_yes;
1579 int replace_continue;
1580 int treplace_prompt = 0;
1581 int i = 0;
1582 long times_replaced = 0, last_search;
1583 char fin_string[64];
1584 int argord[NUM_REPL_ARGS];
1585
1586 if (!edit) {
1587 if (old1) {
1588 g_free (old1);
1589 old1 = 0;
1590 }
1591 if (old2) {
1592 g_free (old2);
1593 old2 = 0;
1594 }
1595 if (old3) {
1596 g_free (old3);
1597 old3 = 0;
1598 }
1599 return;
1600 }
1601 last_search = edit->last_byte;
1602
1603 edit->force |= REDRAW_COMPLETELY;
1604
1605 exp1 = old1 ? old1 : exp1;
1606 exp2 = old2 ? old2 : exp2;
1607 exp3 = old3 ? old3 : exp3;
1608
1609 if (again) {
1610 if (!old1 || !old2)
1611 return;
1612 exp1 = g_strdup (old1);
1613 exp2 = g_strdup (old2);
1614 exp3 = g_strdup (old3);
1615 } else {
1616 edit_push_action (edit, KEY_PRESS + edit->start_display);
1617
1618 #ifdef HAVE_CHARSET
1619 if (exp1 && *exp1)
1620 convert_to_display (exp1);
1621 if (exp2 && *exp2)
1622 convert_to_display (exp2);
1623 #endif /* HAVE_CHARSET */
1624
1625 edit_replace_dialog (edit, &exp1, &exp2, &exp3);
1626
1627 #ifdef HAVE_CHARSET
1628 if (exp1 && *exp1)
1629 convert_from_input (exp1);
1630 if (exp2 && *exp2)
1631 convert_from_input (exp2);
1632 #endif /* HAVE_CHARSET */
1633
1634 treplace_prompt = replace_prompt;
1635 }
1636
1637 if (!exp1 || !*exp1) {
1638 edit->force = REDRAW_COMPLETELY;
1639 if (exp1)
1640 g_free (exp1);
1641 if (exp2)
1642 g_free (exp2);
1643 if (exp3)
1644 g_free (exp3);
1645 return;
1646 }
1647 if (old1)
1648 g_free (old1);
1649 if (old2)
1650 g_free (old2);
1651 if (old3)
1652 g_free (old3);
1653 old1 = g_strdup (exp1);
1654 old2 = g_strdup (exp2);
1655 old3 = g_strdup (exp3);
1656
1657 {
1658 char *s;
1659 int ord;
1660 while ((s = strchr (exp3, ' ')))
1661 memmove (s, s + 1, strlen (s));
1662 s = exp3;
1663 for (i = 0; i < NUM_REPL_ARGS; i++) {
1664 if (s != (char *)1 && *s) {
1665 ord = atoi (s);
1666 if ((ord > 0) && (ord < NUM_REPL_ARGS))
1667 argord[i] = ord - 1;
1668 else
1669 argord[i] = i;
1670 s = strchr (s, ',') + 1;
1671 } else
1672 argord[i] = i;
1673 }
1674 }
1675
1676 replace_continue = replace_all;
1677
1678 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
1679 edit->search_start--;
1680
1681 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
1682 edit->search_start++;
1683
1684 do {
1685 int len = 0;
1686 long new_start;
1687 new_start = edit_find (edit->search_start, (unsigned char *) exp1, &len, last_search,
1688 (int (*)(void *, long)) edit_get_byte, (void *) edit, pmatch);
1689 if (new_start == -3) {
1690 regexp_error (edit);
1691 break;
1692 }
1693 edit->search_start = new_start;
1694 /*returns negative on not found or error in pattern */
1695
1696 if (edit->search_start >= 0) {
1697 edit->found_start = edit->search_start;
1698 i = edit->found_len = len;
1699
1700 edit_cursor_move (edit, edit->search_start - edit->curs1);
1701 edit_scroll_screen_over_cursor (edit);
1702
1703 replace_yes = 1;
1704
1705 if (treplace_prompt) {
1706 int l;
1707 l = edit->curs_row - edit->num_widget_lines / 3;
1708 if (l > 0)
1709 edit_scroll_downward (edit, l);
1710 if (l < 0)
1711 edit_scroll_upward (edit, -l);
1712
1713 edit_scroll_screen_over_cursor (edit);
1714 edit->force |= REDRAW_PAGE;
1715 edit_render_keypress (edit);
1716
1717 /*so that undo stops at each query */
1718 edit_push_key_press (edit);
1719
1720 switch (edit_replace_prompt (edit, exp2, /* and prompt 2/3 down */
1721 (edit->num_widget_columns - CONFIRM_DLG_WIDTH)/2,
1722 edit->num_widget_lines * 2 / 3)) {
1723 case B_ENTER:
1724 break;
1725 case B_SKIP_REPLACE:
1726 replace_yes = 0;
1727 break;
1728 case B_REPLACE_ALL:
1729 treplace_prompt = 0;
1730 replace_continue = 1;
1731 break;
1732 case B_REPLACE_ONE:
1733 replace_continue = 0;
1734 break;
1735 case B_CANCEL:
1736 replace_yes = 0;
1737 replace_continue = 0;
1738 break;
1739 }
1740 }
1741 if (replace_yes) { /* delete then insert new */
1742 if (replace_scanf || replace_regexp) {
1743 char repl_str[MAX_REPL_LEN + 2];
1744 if (replace_regexp) { /* we need to fill in sargs just like with scanf */
1745 int k, j;
1746 for (k = 1; k < NUM_REPL_ARGS && pmatch[k].rm_eo >= 0; k++) {
1747 unsigned char *t;
1748 t = (unsigned char *) &sargs[k - 1][0];
1749 for (j = 0; j < pmatch[k].rm_eo - pmatch[k].rm_so && j < 255; j++, t++)
1750 *t = (unsigned char) edit_get_byte (edit, edit->search_start - pmatch[0].rm_so + pmatch[k].rm_so + j);
1751 *t = '\0';
1752 }
1753 for (; k <= NUM_REPL_ARGS; k++)
1754 sargs[k - 1][0] = 0;
1755 }
1756 if (sprintf_p (repl_str, exp2, PRINTF_ARGS) >= 0) {
1757 times_replaced++;
1758 while (i--)
1759 edit_delete (edit);
1760 while (repl_str[++i])
1761 edit_insert (edit, repl_str[i]);
1762 } else {
1763 edit_error_dialog (_ (" Replace "),
1764 /* "Invalid regexp string or scanf string" */
1765 _ (" Error in replacement format string. "));
1766 replace_continue = 0;
1767 }
1768 } else {
1769 times_replaced++;
1770 while (i--)
1771 edit_delete (edit);
1772 while (exp2[++i])
1773 edit_insert (edit, exp2[i]);
1774 }
1775 edit->found_len = i;
1776 }
1777 /* so that we don't find the same string again */
1778 if (replace_backwards) {
1779 last_search = edit->search_start;
1780 edit->search_start--;
1781 } else {
1782 edit->search_start += i;
1783 last_search = edit->last_byte;
1784 }
1785 edit_scroll_screen_over_cursor (edit);
1786 } else {
1787 edit->search_start = edit->curs1; /* try and find from right here for next search */
1788 edit_update_curs_col (edit);
1789
1790 edit->force |= REDRAW_PAGE;
1791 edit_render_keypress (edit);
1792 if (times_replaced) {
1793 sprintf (fin_string, _ (" %ld replacements made. "), times_replaced);
1794 edit_message_dialog (_ (" Replace "), fin_string);
1795 } else
1796 edit_message_dialog (_ (" Replace "), _ (" Search string not found. "));
1797 replace_continue = 0;
1798 }
1799 } while (replace_continue);
1800
1801 g_free (exp1);
1802 g_free (exp2);
1803 g_free (exp3);
1804 edit->force = REDRAW_COMPLETELY;
1805 edit_scroll_screen_over_cursor (edit);
1806 }
1807
1808
1809
1810
1811 void edit_search_cmd (WEdit * edit, int again)
1812 {
1813 static char *old = NULL;
1814 char *exp = "";
1815
1816 if (!edit) {
1817 if (old) {
1818 g_free (old);
1819 old = 0;
1820 }
1821 return;
1822 }
1823 exp = old ? old : exp;
1824 if (again) { /*ctrl-hotkey for search again. */
1825 if (!old)
1826 return;
1827 exp = (char *) g_strdup (old);
1828 } else {
1829
1830 #ifdef HAVE_CHARSET
1831 if (exp && *exp)
1832 convert_to_display (exp);
1833 #endif /* HAVE_CHARSET */
1834
1835 edit_search_dialog (edit, &exp);
1836
1837 #ifdef HAVE_CHARSET
1838 if (exp && *exp)
1839 convert_from_input (exp);
1840 #endif /* HAVE_CHARSET */
1841
1842 edit_push_action (edit, KEY_PRESS + edit->start_display);
1843 }
1844
1845 if (exp) {
1846 if (*exp) {
1847 int len = 0;
1848 if (old)
1849 g_free (old);
1850 old = (char *) g_strdup (exp);
1851
1852 if (search_create_bookmark) {
1853 int found = 0, books = 0;
1854 int l = 0, l_last = -1;
1855 long p, q = 0;
1856 for (;;) {
1857 p = edit_find (q, (unsigned char *) exp, &len, edit->last_byte,
1858 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
1859 if (p < 0)
1860 break;
1861 found++;
1862 l += edit_count_lines (edit, q, p);
1863 if (l != l_last) {
1864 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
1865 books++;
1866 }
1867 l_last = l;
1868 q = p + 1;
1869 }
1870 if (found) {
1871 char fin_string[64];
1872 /* in response to number of bookmarks added because of string being found %d times */
1873 sprintf (fin_string, _ (" %d finds made, %d bookmarks added "), found, books);
1874 edit_message_dialog (_ (" Search "), fin_string);
1875 } else {
1876 edit_error_dialog (_ (" Search "), _ (" Search string not found. "));
1877 }
1878 } else {
1879
1880 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
1881 edit->search_start--;
1882
1883 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
1884 edit->search_start++;
1885
1886 edit->search_start = edit_find (edit->search_start, (unsigned char *) exp, &len, edit->last_byte,
1887 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
1888
1889 if (edit->search_start >= 0) {
1890 edit->found_start = edit->search_start;
1891 edit->found_len = len;
1892
1893 edit_cursor_move (edit, edit->search_start - edit->curs1);
1894 edit_scroll_screen_over_cursor (edit);
1895 if (replace_backwards)
1896 edit->search_start--;
1897 else
1898 edit->search_start++;
1899 } else if (edit->search_start == -3) {
1900 edit->search_start = edit->curs1;
1901 regexp_error (edit);
1902 } else {
1903 edit->search_start = edit->curs1;
1904 edit_error_dialog (_ (" Search "), _ (" Search string not found. "));
1905 }
1906 }
1907 }
1908 g_free (exp);
1909 }
1910 edit->force |= REDRAW_COMPLETELY;
1911 edit_scroll_screen_over_cursor (edit);
1912 }
1913
1914
1915 /* Real edit only */
1916 void edit_quit_cmd (WEdit * edit)
1917 {
1918 edit_push_action (edit, KEY_PRESS + edit->start_display);
1919
1920 edit->force |= REDRAW_COMPLETELY;
1921 if (edit->modified) {
1922 switch (edit_query_dialog3 (_ (" Quit "), _ (" File was modified, Save with exit? "), _ ("Cancel quit"), _ ("&Yes"), _ ("&No"))) {
1923 case 1:
1924 edit_push_markers (edit);
1925 edit_set_markers (edit, 0, 0, 0, 0);
1926 if (!edit_save_cmd (edit))
1927 return;
1928 break;
1929 case 2:
1930 if (edit->delete_file)
1931 unlink (catstrs (edit->dir, edit->filename, 0));
1932 break;
1933 case 0:
1934 case -1:
1935 return;
1936 }
1937 }
1938 else if (edit->delete_file)
1939 unlink (catstrs (edit->dir, edit->filename, 0));
1940 dlg_stop (edit->widget.parent);
1941 }
1942
1943 #define TEMP_BUF_LEN 1024
1944
1945 /* returns a null terminated length of text. Result must be free'd */
1946 unsigned char *edit_get_block (WEdit * edit, long start, long finish, int *l)
1947 {
1948 unsigned char *s, *r;
1949 r = s = malloc (finish - start + 1);
1950 if (column_highlighting) {
1951 *l = 0;
1952 while (start < finish) { /* copy from buffer, excluding chars that are out of the column 'margins' */
1953 int c, x;
1954 x = edit_move_forward3 (edit, edit_bol (edit, start), 0, start);
1955 c = edit_get_byte (edit, start);
1956 if ((x >= edit->column1 && x < edit->column2)
1957 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
1958 *s++ = c;
1959 (*l)++;
1960 }
1961 start++;
1962 }
1963 } else {
1964 *l = finish - start;
1965 while (start < finish)
1966 *s++ = edit_get_byte (edit, start++);
1967 }
1968 *s = 0;
1969 return r;
1970 }
1971
1972 /* save block, returns 1 on success */
1973 int edit_save_block (WEdit * edit, const char *filename, long start, long finish)
1974 {
1975 int len, file;
1976
1977 if ((file = open ((char *) filename, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
1978 return 0;
1979
1980 if (column_highlighting) {
1981 unsigned char *block, *p;
1982 int r;
1983 p = block = edit_get_block (edit, start, finish, &len);
1984 while (len) {
1985 r = write (file, p, len);
1986 if (r < 0)
1987 break;
1988 p += r;
1989 len -= r;
1990 }
1991 free (block);
1992 } else {
1993 unsigned char *buf;
1994 int i = start, end;
1995 len = finish - start;
1996 buf = malloc (TEMP_BUF_LEN);
1997 while (start != finish) {
1998 end = min (finish, start + TEMP_BUF_LEN);
1999 for (; i < end; i++)
2000 buf[i - start] = edit_get_byte (edit, i);
2001 len -= write (file, (char *) buf, end - start);
2002 start = end;
2003 }
2004 free (buf);
2005 }
2006 close (file);
2007 if (len)
2008 return 0;
2009 return 1;
2010 }
2011
2012 /* copies a block to clipboard file */
2013 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
2014 {
2015 return edit_save_block (edit, catstrs (home_dir, CLIP_FILE, 0), start, finish);
2016 }
2017
2018
2019 void edit_paste_from_history (WEdit *edit)
2020 {
2021 }
2022
2023 int edit_copy_to_X_buf_cmd (WEdit * edit)
2024 {
2025 long start_mark, end_mark;
2026 if (eval_marks (edit, &start_mark, &end_mark))
2027 return 0;
2028 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2029 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
2030 return 1;
2031 }
2032 edit_mark_cmd (edit, 1);
2033 return 0;
2034 }
2035
2036 int edit_cut_to_X_buf_cmd (WEdit * edit)
2037 {
2038 long start_mark, end_mark;
2039 if (eval_marks (edit, &start_mark, &end_mark))
2040 return 0;
2041 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2042 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
2043 return 1;
2044 }
2045 edit_block_delete_cmd (edit);
2046 edit_mark_cmd (edit, 1);
2047 return 0;
2048 }
2049
2050 void edit_paste_from_X_buf_cmd (WEdit * edit)
2051 {
2052 edit_insert_file (edit, catstrs (home_dir, CLIP_FILE, 0));
2053 }
2054
2055
2056 void edit_goto_cmd (WEdit *edit)
2057 {
2058 char *f;
2059 static int l = 0;
2060 char s[12];
2061 sprintf (s, "%d", l);
2062 f = input_dialog (_(" Goto line "), _(" Enter line: "), l ? s : "");
2063 if (f) {
2064 if (*f) {
2065 l = atoi (f);
2066 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
2067 edit_move_to_line (edit, l - 1);
2068 edit->force |= REDRAW_COMPLETELY;
2069 }
2070 free (f);
2071 }
2072 }
2073
2074 /*returns 1 on success */
2075 int edit_save_block_cmd (WEdit * edit)
2076 {
2077 long start_mark, end_mark;
2078 char *exp;
2079 if (eval_marks (edit, &start_mark, &end_mark))
2080 return 1;
2081 exp = edit_get_save_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Save Block "));
2082 edit_push_action (edit, KEY_PRESS + edit->start_display);
2083 if (exp) {
2084 if (!*exp) {
2085 g_free (exp);
2086 return 0;
2087 } else {
2088 if (edit_save_block (edit, exp, start_mark, end_mark)) {
2089 g_free (exp);
2090 edit->force |= REDRAW_COMPLETELY;
2091 return 1;
2092 } else {
2093 g_free (exp);
2094 edit_error_dialog (_ (" Save Block "), get_sys_error (_ (" Error trying to save file. ")));
2095 }
2096 }
2097 }
2098 edit->force |= REDRAW_COMPLETELY;
2099 return 0;
2100 }
2101
2102
2103 /* returns 1 on success */
2104 int edit_insert_file_cmd (WEdit * edit)
2105 {
2106 char *exp = edit_get_load_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Insert File "));
2107 edit_push_action (edit, KEY_PRESS + edit->start_display);
2108 if (exp) {
2109 if (!*exp) {
2110 g_free (exp);
2111 return 0;
2112 } else {
2113 if (edit_insert_file (edit, exp)) {
2114 g_free (exp);
2115 edit->force |= REDRAW_COMPLETELY;
2116 return 1;
2117 } else {
2118 g_free (exp);
2119 edit_error_dialog (_ (" Insert file "), get_sys_error (_ (" Error trying to insert file. ")));
2120 }
2121 }
2122 }
2123 edit->force |= REDRAW_COMPLETELY;
2124 return 0;
2125 }
2126
2127 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
2128 int edit_sort_cmd (WEdit * edit)
2129 {
2130 static char *old = 0;
2131 char *exp;
2132 long start_mark, end_mark;
2133 int e;
2134
2135 if (eval_marks (edit, &start_mark, &end_mark)) {
2136 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
2137 return 0;
2138 }
2139 edit_save_block (edit, catstrs (home_dir, BLOCK_FILE, 0), start_mark, end_mark);
2140
2141 exp = old ? old : "";
2142
2143 exp = input_dialog (_(" Run Sort "),
2144 _(" Enter sort options (see manpage) separated by whitespace: "), exp);
2145
2146 if (!exp)
2147 return 1;
2148 if (old)
2149 g_free (old);
2150 old = exp;
2151
2152 e = system (catstrs (" sort ", exp, " ", home_dir, BLOCK_FILE, " > ", home_dir, TEMP_FILE, 0));
2153 if (e) {
2154 if (e == -1 || e == 127) {
2155 edit_error_dialog (_(" Sort "),
2156 get_sys_error (_(" Error trying to execute sort command ")));
2157 } else {
2158 char q[8];
2159 sprintf (q, "%d ", e);
2160 edit_error_dialog (_(" Sort "),
2161 catstrs (_(" Sort returned non-zero: "), q, 0));
2162 }
2163 return -1;
2164 }
2165
2166 edit->force |= REDRAW_COMPLETELY;
2167
2168 if (edit_block_delete_cmd (edit))
2169 return 1;
2170 edit_insert_file (edit, catstrs (home_dir, TEMP_FILE, 0));
2171 return 0;
2172 }
2173
2174 /* if block is 1, a block must be highlighted and the shell command
2175 processes it. If block is 0 the shell command is a straight system
2176 command, that just produces some output which is to be inserted */
2177 void edit_block_process_cmd (WEdit * edit, const char *shell_cmd, int block)
2178 {
2179 long start_mark, end_mark;
2180 struct stat s;
2181 char buf[BUFSIZ];
2182 FILE *script_home = NULL;
2183 FILE *script_src = NULL;
2184 FILE *block_file = NULL;
2185
2186 char *o = catstrs (mc_home, shell_cmd, 0); /* original source script */
2187 char *h = catstrs (home_dir, EDIT_DIR, shell_cmd, 0); /* home script */
2188 char *b = catstrs (home_dir, BLOCK_FILE, 0); /* block file */
2189 char *e = catstrs (home_dir, ERROR_FILE, 0); /* error file */
2190
2191 if (! (script_home = fopen (h, "r"))) {
2192 if (! (script_home = fopen (h, "w"))) {
2193 edit_error_dialog ("",
2194 get_sys_error (catstrs (_ ("Error create script:"), h, 0)));
2195 return;
2196 } else {
2197 if (! (script_src = fopen (o, "r"))) {
2198 fclose (script_home); unlink (h);
2199 edit_error_dialog ("",
2200 get_sys_error (catstrs (_ ("Error read script:"), o, 0)));
2201 return;
2202 } else {
2203 while (fgets(buf, sizeof(buf), script_src))
2204 fputs (buf, script_home);
2205 if (fclose(script_home)) {
2206 edit_error_dialog ("",
2207 get_sys_error (catstrs (_ ("Error close script:"), h, 0)));
2208 return;
2209 } else {
2210 chmod (h, 0700);
2211 edit_error_dialog ("",
2212 get_sys_error (catstrs (_ ("Script created:"), h, 0)));
2213 }
2214 }
2215 }
2216 }
2217 if (block) { /* for marked block run indent formatter */
2218 if (eval_marks (edit, &start_mark, &end_mark)) {
2219 edit_error_dialog (_("Process block"),
2220 _(" You must first highlight a block of text. "));
2221 return;
2222 }
2223 edit_save_block (edit, b, start_mark, end_mark);
2224
2225 /*
2226 * Run script.
2227 * Initial space is to avoid polluting bash history.
2228 * Arguments:
2229 * $1 - name of the edited file (to check its extention etc).
2230 * $2 - file containing the current block.
2231 * $3 - file where error messages should be put.
2232 */
2233 execute (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ",
2234 edit->filename, " ", home_dir, BLOCK_FILE, " ",
2235 home_dir, ERROR_FILE, NULL));
2236
2237 } else {
2238 /*
2239 * No block selected, just execute the command for the file.
2240 * Arguments:
2241 * $1 - name of the edited file.
2242 */
2243 execute (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ",
2244 edit->filename, NULL));
2245 }
2246
2247 edit_refresh_cmd (edit);
2248 edit->force |= REDRAW_COMPLETELY;
2249
2250 /* insert result block */
2251 if (block) {
2252 if (mc_stat (e, &s) == 0) {
2253 if (!s.st_size) { /* no error messages */
2254 if (edit_block_delete_cmd (edit))
2255 return;
2256 edit_insert_file (edit, b);
2257 } else {
2258 edit_insert_file (edit, e);
2259 }
2260 } else {
2261 edit_error_dialog ("",
2262 get_sys_error (catstrs (_ ("Error trying to stat file:"), e, 0)));
2263 edit->force |= REDRAW_COMPLETELY;
2264 }
2265 if ((block_file = fopen (b, "w")))
2266 fclose (block_file);
2267 return;
2268 }
2269 return;
2270 }
2271
2272 /* prints at the cursor */
2273 /* returns the number of chars printed */
2274 int edit_print_string (WEdit * e, const char *s)
2275 {
2276 int i = 0;
2277 while (s[i])
2278 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2279 e->force |= REDRAW_COMPLETELY;
2280 edit_update_screen (e);
2281 return i;
2282 }
2283
2284 int edit_printf (WEdit * e, const char *fmt,...)
2285 {
2286 int i;
2287 va_list pa;
2288 char s[1024];
2289 va_start (pa, fmt);
2290 sprintf (s, fmt, pa);
2291 i = edit_print_string (e, s);
2292 va_end (pa);
2293 return i;
2294 }
2295
2296 /* FIXME: does this function break NT_OS2 ? */
2297
2298 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2299 {
2300 FILE *p = 0;
2301 char *s;
2302
2303 s = g_strdup_printf ("mail -s \"%s\" -c \"%s\" \"%s\"", subject, cc, to);
2304
2305 if (s) {
2306 p = popen (s, "w");
2307 g_free (s);
2308 }
2309
2310 if (p) {
2311 long i;
2312 for (i = 0; i < edit->last_byte; i++)
2313 fputc (edit_get_byte (edit, i), p);
2314 pclose (p);
2315 }
2316 }
2317
2318 #define MAIL_DLG_HEIGHT 12
2319
2320 void edit_mail_dialog (WEdit * edit)
2321 {
2322 char *tmail_to;
2323 char *tmail_subject;
2324 char *tmail_cc;
2325
2326 static char *mail_cc_last = 0;
2327 static char *mail_subject_last = 0;
2328 static char *mail_to_last = 0;
2329
2330 QuickDialog Quick_input =
2331 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2332 "[Input Line Keys]", "quick_input", 0};
2333
2334 QuickWidget quick_widgets[] =
2335 {
2336 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2337 0, NULL},
2338 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
2339 0, NULL},
2340 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2341 0, "mail-dlg-input"},
2342 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2343 0, 0},
2344 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2345 0, "mail-dlg-input-2"},
2346 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2347 0, 0},
2348 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2349 0, "mail-dlg-input-3"},
2350 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2351 0, 0},
2352 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2353 0, 0},
2354 {0}};
2355
2356 quick_widgets[2].str_result = &tmail_cc;
2357 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2358 quick_widgets[4].str_result = &tmail_subject;
2359 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2360 quick_widgets[6].str_result = &tmail_to;
2361 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2362
2363 Quick_input.widgets = quick_widgets;
2364
2365 if (quick_dialog (&Quick_input) != B_CANCEL) {
2366 if (mail_cc_last)
2367 g_free (mail_cc_last);
2368 if (mail_subject_last)
2369 g_free (mail_subject_last);
2370 if (mail_to_last)
2371 g_free (mail_to_last);
2372 mail_cc_last = *(quick_widgets[2].str_result);
2373 mail_subject_last = *(quick_widgets[4].str_result);
2374 mail_to_last = *(quick_widgets[6].str_result);
2375 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2376 }
2377 }
Midnight Commander